It caused strange thoughts. He said the cold and silence of this frozen world seemed to increase a man's fear of death.

VOA: special.2009.02.11

The ice is important because it helps keep the Arctic cold and reduces extremes in the Earth's climate.

VOA: special.2009.10.27

Winter brings cold weather and, with it,a danger as old as man's knowledge of fire.

VOA: special.2010.02.02